We are manufacturer of nylon overarm spacers, made up of polyamide - super tough, durable and incorporates all the good qualities of traditional metals besides other benefits. This material is also called as pa6.
Four zero inc is a well known manufactures and supplies of plastic shims available in a choice of 23 thicknesses from 0.010 mm to 1.00 mm (0.0004" to 0.040"), each with its own colors to assure quick, accurate shim selection.